export interface WebSocketDataBody {
    type: number;
    data?: any;
    msg: string;
    fromUserId: string;
    fromUserName: string;
    fromNickName?: string,
    fromSessionId?: string;

    toUserId?: string;
    toUserName?: string;
    toSessionId?: string;
    toNickName?: string | null,
    createTime?: string,
}